The Calculated Kinetics Staccato HD to Holosun 509T Direct Thread Plate adapts Staccato HD pistols to accept Holosun 509T red dot sights using a direct thread mount system.
- Type: Optic Adapter Plate
- Compatible Firearms: Staccato HD pistols
- Compatible Optics: Holosun 509T (all variants)
- Material: 6061-T6 Aluminum, Type III Hard Anodized
- Mount Type: Direct Thread
- Includes: Mounting hardware
- Use: Enables Holosun 509T mounting on Staccato HD slide
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